Home / 724,985.10-1,086,440.85-533,954.70

Finding the Fourth Proportional to 724,985.10, 1,086,440.85 and 533,954.70

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Solution

The fourth proportional to 724,985.10, 1,086,440.85 and 533,954.70 is: 800,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,985.10 : 1,086,440.85 = 533,954.70 : x
  2. Step 2: Convert to fraction form
    724,985.10/1,086,440.85 = 533,954.70/x
  3. Step 3: Cross multiply
    724,985.10x = 1,086,440.85 × 533,954.70
  4. Step 4: Simplify right side
    724,985.10x = 580,110,198,129.50
  5. Step 5: Solve for x
    x = 580,110,198,129.50/724,985.10
  6. Step 6: Final answer
    x = 800,168.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.